Check out this MILITARY SPECIFICATION MIL-P-46183 PLASTIC MOLDING and EXTRUSION MATERIAL, POLYETHERETHERKETONE (PEEK) type material. The date on this is from June 20, 1984. You won't find this MILITARY spec easily anywhere else. This Spec is in PDF format, ready for immediate download after purchase. There are 9 Pages of this spec. Please hit me up for any questions you may have.
MILITARY SPECIFICATION MIL-P-46183 PLASTIC MOLDING and EXTRUSION MATERIAL, POLYETHERETHERKETONE (PEEK)
1.1 Scope-This specification covers polyetheretherketone (PEEK) thermo-plastic materials suitable for injection molding or extrusion (See 6.1).
1.2 Classification. The PEEK thermoplastic materials shall be of the following types and classes (see 6.2):